src/simix/smx_private.hpp

   1 /* Copyright (c) 2007-2020. The SimGrid Team. All rights reserved.          */
   2
   3 /* This program is free software; you can redistribute it and/or modify it
   4  * under the terms of the license (GNU LGPL) which comes with this package. */
   5
   6 #ifndef SIMIX_PRIVATE_HPP
   7 #define SIMIX_PRIVATE_HPP
   8
   9 #include "simgrid/s4u/Actor.hpp"
  10 #include "src/kernel/actor/ActorImpl.hpp"
  11 #include "src/kernel/context/Context.hpp"
  12
  13 #include <boost/intrusive/list.hpp>
  14 #include <mutex>
  15 #include <unordered_map>
  16 #include <vector>
  17
  18 /********************************** Simix Global ******************************/
  19
  20 namespace simgrid {
  21 namespace simix {
  22
  23 class Global {
  24 public:
  25   bool execute_tasks();
  26   /**
  27    * Garbage collection
  28    *
  29    * Should be called some time to time to free the memory allocated for actors that have finished (or killed).
  30    */
  31   void empty_trash();
  32   void run_all_actors();
  33   void wake_all_waiting_actors();
  34   void display_all_actor_status();
  35
  36   smx_context_factory_t context_factory = nullptr;
  37   std::vector<kernel::actor::ActorImpl*> actors_to_run;
  38   std::vector<kernel::actor::ActorImpl*> actors_that_ran;
  39   std::map<aid_t, kernel::actor::ActorImpl*> process_list;
  40   boost::intrusive::list<kernel::actor::ActorImpl,
  41                          boost::intrusive::member_hook<kernel::actor::ActorImpl, boost::intrusive::list_member_hook<>,
  42                                                        &kernel::actor::ActorImpl::smx_destroy_list_hook>>
  43       actors_to_destroy;
  44 #if SIMGRID_HAVE_MC
  45   /* MCer cannot read members process_list and actors_to_destroy above in the remote process, so we copy the info it
  46    * needs in a dynar.
  47    * FIXME: This is supposed to be a temporary hack.
  48    * A better solution would be to change the split between MCer and MCed, where the responsibility
  49    *   to compute the list of the enabled transitions goes to the MCed.
  50    * That way, the MCer would not need to have the list of actors on its side.
  51    * These info could be published by the MCed to the MCer in a way inspired of vd.so
  52    */
  53   xbt_dynar_t actors_vector      = xbt_dynar_new(sizeof(kernel::actor::ActorImpl*), nullptr);
  54   xbt_dynar_t dead_actors_vector = xbt_dynar_new(sizeof(kernel::actor::ActorImpl*), nullptr);
  55 #endif
  56   kernel::actor::ActorImpl* maestro_ = nullptr;
  57
  58   std::mutex mutex;
  59
  60   std::vector<xbt::Task<void()>> tasks;
  61   std::vector<xbt::Task<void()>> tasksTemp;
  62
  63   std::vector<kernel::actor::ActorImpl*> daemons;
  64 };
  65 }
  66 }
  67
  68 XBT_PUBLIC_DATA std::unique_ptr<simgrid::simix::Global> simix_global;
  69
  70 XBT_PUBLIC void SIMIX_clean();
  71
  72 #endif